Update app.py

app.py

@@ -88,8 +88,12 @@ def retrieve_document(query):
         return None
     
     try:
-        # Load FAISS index from binary response content
-        index = faiss.read_index_from_buffer(embeddings_.content)
+       # Convert response content to a byte stream
+        byte_stream = io.BytesIO(embeddings_.content)
+        
+        # Load FAISS index from byte stream
+        index = faiss.deserialize_index(byte_stream.read())
+
         print(f"Successfully loaded FAISS index with {index.ntotal} vectors.")
 
         # Now you can perform retrieval using `index.search()`